Projekt
Proposal of SC 32C: Amendment to IEC 60617-7: Graphical symbols for diagrams - Part 7: Switchgear, controlgear and protective devices - Addition of the UMF 'Tulip' symbol shown in figure 1 of IEC 60127-4
Beginn
1997-09-05
Geplante Dokumentnummer
IEC 3A/475/NP
